package cuiyt.collection.treemap;

import java.util.TreeMap;

/**
 * @author cyt
 * @create 2020-10-03 下午 11:27
 */
public class TreeMapDemo {
    public static void main(String[] args) {
        TreeMap<String, Object> treeMap = new TreeMap<>();
        treeMap.put("", "");
        treeMap.put("test", "test");
        treeMap.put("a", "test");
        System.out.println(treeMap.get("test"));
    }
}
